Cool Labs

Lab #23.4    Heat: Cooling by Boiling
Lab #23.4 Heat: Cooling by Boiling

PurposeIn this activity, students will see that water will boil when pressure is lowered.DiscussionWhereas evaporation is a change of phase from liquid to gas at the surface of a liquid, boiling is a rapid change of phase at and below...

Lab #22.8 Heat: Chapter 22  I'm Melting! I'm Melting!
Lab #22.8 Heat: Chapter 22 I'm Melting! I'm Melting!

Purpose In this activity, you will investigate curious heat transfer ability of different surfaces. Discussion If you walk around the house with bare feet, you probably notice that a tile floor feels much colder than a carpeted floor or rug....

Lab #22.5 Heat: Chapter 22  Canned Heat: Heating Up
Lab #22.5 Heat: Chapter 22 Canned Heat: Heating Up

Purpose In this experiment, you will compare the ability of different surfaces to absorb thermal radiation. Discussion Does the color of a surface make a difference in how well it absorbs thermal radiation? If so, how? The answer to these...

Lab #22.4 Heat: Chapter 22  Canned Heat: Cooling Down
Lab #22.4 Heat: Chapter 22 Canned Heat: Cooling Down

Purpose In this experiment, you will compare the ability of different surfaces to radiate thermal energy. DiscussionDoes the color of a surface make a difference in how well it radiates thermal energy? If so, how? The answer to these questions...